61120611085 has 16 divisors (see below), whose sum is σ = 74384820720. Its totient is φ = 48203735040.

The previous prime is 61120611077. The next prime is 61120611119. The reversal of 61120611085 is 58011602116.

It can be written as a sum of positive squares in 8 ways, for example, as 5585918121 + 55534692964 = 74739^2 + 235658^2 .

It is not a de Polignac number, because 61120611085 - 2³ = 61120611077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750021 + ... + 827509.

It is an arithmetic number, because the mean of its divisors is an integer number (4649051295).

Almost surely, 2^61120611085 is an apocalyptic number.

It is an amenable number.

61120611085 is a deficient number, since it is larger than the sum of its proper divisors (13264209635).

61120611085 is a wasteful number, since it uses less digits than its factorization.

61120611085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79728.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 61120611085 in words is "sixty-one billion, one hundred twenty million, six hundred eleven thousand, eighty-five".